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I-99 weather conditions near Altoona, Pennsylvania

       Seasoned Weather Conditions

      

       Current Weather Conditions

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7 day weather forecast

  • Current condition: Fair 73°F 2025-07-10T20:53:00-04:00
  • Tonight 2025-07-10, Mostly Clear then Patchy Fog. Patchy fog after midnight. Otherwise, mostly clear, with a low around 65. Calm wind.
  • Friday 2025-07-11, Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Friday Night 2025-07-11, Chance T-storms then Patchy Fog. A chance of showers and thunderstorms before 8pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Saturday 2025-07-12, Slight Chance T-storms then Chance T-storms. A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 89. Light south wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Saturday Night 2025-07-12, Chance T-storms. A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Sunday 2025-07-13, Chance Showers then Showers. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 88. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Sunday Night 2025-07-13, Showers. Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 67. Chance of precipitation is 80%.
  • Monday 2025-07-14, Showers Likely. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
  • Monday Night 2025-07-14, Showers Likely then Mostly Clear. Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 60%.
  • Tuesday 2025-07-15, Mostly Sunny. Mostly sunny, with a high near 88.
  • Tuesday Night 2025-07-15, Mostly Clear. Mostly clear, with a low around 65.
  • Wednesday 2025-07-16, Sunny then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
  • Wednesday Night 2025-07-16, Chance T-storms then Partly Cloudy. A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
  • Thursday 2025-07-17, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 50%.





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